Overview
- A team workout on Aug. 20 left defenseman Matthew Mayich hospitalized with catastrophic brain injury from exertional heat illness and he remains unlikely to recover.
- Arizona State opened multiple reviews after the collapse, commissioning former Arizona Supreme Court Chief Justice Scott Bales for an independent review due by early December and having ASU Police investigate with possible referral to the Maricopa County Attorney's Office.
- Hakstol was hired mid‑October and replaced the coach who had been placed on administrative leave; he left an NHL assistant post to take the job and brings long experience leading college and pro teams.
- In his first days on the job Hakstol held individual meetings, ran a short training camp at the UMass‑Lowell series, and told players he plans to build a championship culture while providing steady leadership on and off the ice.
- The case has raised questions about use of outside trainers, water breaks, and emergency readiness at team workouts and could prompt legal action and policy changes on vetting instructors and on‑site medical preparedness.